CA1185456A - Methode et dispositif pour determiner l'indice de refraction des fibres optiques - Google Patents
Methode et dispositif pour determiner l'indice de refraction des fibres optiquesInfo
- Publication number
- CA1185456A CA1185456A CA000436926A CA436926A CA1185456A CA 1185456 A CA1185456 A CA 1185456A CA 000436926 A CA000436926 A CA 000436926A CA 436926 A CA436926 A CA 436926A CA 1185456 A CA1185456 A CA 1185456A
- Authority
- CA
- Canada
- Prior art keywords
- fiber
- photodetector
- light
- passageway
- index
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/412—Index profiling of optical fibres
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/419,645 US4468118A (en) | 1982-09-17 | 1982-09-17 | Method and apparatus for determining index of refraction profiles of optical fibers |
| US419,645 | 1982-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1185456A true CA1185456A (fr) | 1985-04-16 |
Family
ID=23663119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000436926A Expired CA1185456A (fr) | 1982-09-17 | 1983-09-16 | Methode et dispositif pour determiner l'indice de refraction des fibres optiques |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4468118A (fr) |
| EP (1) | EP0119257A4 (fr) |
| JP (1) | JPS59501800A (fr) |
| CA (1) | CA1185456A (fr) |
| WO (1) | WO1984001221A1 (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0111441A1 (fr) * | 1982-11-15 | 1984-06-20 | Promogap | Appareil de mesure de l'indice de réfraction d'une fibre optique |
| US4779978A (en) * | 1986-09-08 | 1988-10-25 | Sumitomo Electric Research Triangle, Inc. | Method of measuring the refractive index profile of optical fibers |
| DE3700637A1 (de) * | 1987-01-12 | 1988-07-21 | Adalbert Dipl Ing Bandemer | Messanordnung und messverfahren zur hochaufloesenden brechzahlprofilmessung an glasfasern |
| JP3053185B2 (ja) * | 1988-09-26 | 2000-06-19 | ヤマハ発動機株式会社 | 小型ジェット推進艇 |
| GB8827872D0 (en) * | 1988-11-29 | 1988-12-29 | British Telecomm | Optical waveguide method of manufacturing same & system incorporating such waveguide |
| JPH05332880A (ja) * | 1991-04-19 | 1993-12-17 | Topcon Corp | 光導波路断面屈折率分布測定装置 |
| JPH05322702A (ja) * | 1991-04-19 | 1993-12-07 | Topcon Corp | 光導波路断面屈折率分布測定装置 |
| JP3210429B2 (ja) * | 1992-07-08 | 2001-09-17 | 株式会社トプコン | 光導波路断面屈折率分布測定装置 |
| US6710864B1 (en) | 2003-03-05 | 2004-03-23 | David L. Grant | Concentricity measuring instrument for a fiberoptic cable end |
| US8945439B2 (en) * | 2010-09-10 | 2015-02-03 | Canon Kabushiki Kaisha | Method for manufacturing lens, apparatus for manufacturing lens, and method for manufacturing optical apparatus |
| EP3215822B1 (fr) * | 2014-11-07 | 2020-10-28 | Commscope Asia Holdings B.V. | Procédés pour mesurer des fibres, par exemple pour des mesures géométriques de fibres multimodales |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2963938A (en) * | 1956-03-26 | 1960-12-13 | Ford Motor Co | Surface meters for detecting irregularities on transparent elements |
| US3578977A (en) * | 1968-02-19 | 1971-05-18 | Rohe Scientific Corp | Reflection tests having photocell with aperture |
| US3705771A (en) * | 1970-01-14 | 1972-12-12 | Bio Physics Systems Inc | Photoanalysis apparatus |
| US4021099A (en) * | 1976-01-12 | 1977-05-03 | Canadian Patents And Development Limited | Optical couplers for fiber optic communication links |
| FR2389883B1 (fr) * | 1977-05-05 | 1980-07-25 | Cselt Centro Studi Lab Telecom | |
| JPS5640737A (en) * | 1979-09-11 | 1981-04-17 | Asahi Optical Co Ltd | Damage detector for optical fiber for laser power transmission |
| US4556875A (en) * | 1981-12-15 | 1985-12-03 | Matsushita Electric Industrial Co., Ltd. | Irradiated power monitoring system for optical fiber |
-
1982
- 1982-09-17 US US06/419,645 patent/US4468118A/en not_active Expired - Fee Related
-
1983
- 1983-09-16 CA CA000436926A patent/CA1185456A/fr not_active Expired
- 1983-09-16 WO PCT/US1983/001410 patent/WO1984001221A1/fr not_active Ceased
- 1983-09-16 JP JP83503241A patent/JPS59501800A/ja active Pending
- 1983-09-16 EP EP19830903247 patent/EP0119257A4/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1984001221A1 (fr) | 1984-03-29 |
| JPS59501800A (ja) | 1984-10-25 |
| US4468118A (en) | 1984-08-28 |
| EP0119257A4 (fr) | 1986-05-12 |
| EP0119257A1 (fr) | 1984-09-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4362943A (en) | Method of measuring the refractive index profile and the core diameter of optical fibers and preforms | |
| US4181433A (en) | Method for determining the refractive index profile of optical fibers and optical fiber preforms | |
| US4197007A (en) | Device for evaluating the light-transmitting characteristics of optical fibers | |
| EP0443322A2 (fr) | Méthode et appareil pour mesurer l'épaisseur d'une couche | |
| US4441811A (en) | Apparatus and method for determining refractive index profile in a cylindrical article | |
| CA1185456A (fr) | Methode et dispositif pour determiner l'indice de refraction des fibres optiques | |
| Eickhoff et al. | Measuring method for the refractive index profile of optical glass fibres | |
| CA1286403C (fr) | Methode pour mesurer le profil de l'indice de refraction de fibres optiques | |
| US4236904A (en) | Method for monitoring optical fiber drawing | |
| EP0049269B1 (fr) | Procédé de traction d'une fibre optique à partir d'une ébauche | |
| EP0079944A1 (fr) | Interferometre a fibre optique. | |
| US4551020A (en) | Optical apparatus for determining the index profile of an optical fibre | |
| CN222704015U (zh) | 用于特种光纤的几何参数检测装置 | |
| US5335057A (en) | Measuring geometry of optical fibre coatings with transverse incident beams | |
| JPH05264447A (ja) | 屈折率の測定方法 | |
| EP0079945A1 (fr) | Interferometre a fibre optique | |
| CN118328873A (zh) | 光纤几何参数检测装置及检测方法 | |
| Young | Optical-Fiber Measurements | |
| Young | Refracted-ray Scanning (refracted Near-field Scanning) for Measuring Index Profils of Optical Fibers | |
| Wawrzyniuk | Reflective fiber optic probe for surface finish survey | |
| GB2098352A (en) | Optical apparatus | |
| Young | Refracted-Ray Scanning | |
| Wu | Approach to diameter measurement of optical fibres: forward near-axis far-field interference | |
| JPH01502929A (ja) | 屈折率分布測定のための測定装置および測定方法 | |
| Alexander | Flexible Fiber Optics Transmission Evaluation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEC | Expiry (correction) | ||
| MKEX | Expiry |